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为什么小齿轮齿宽比大齿轮大？ - 知乎
source link: https://www.zhihu.com/question/315707975/answer/621618801
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这是一个注定不会受到很多关注的问题。这个问题很专业，也很值得机械设计工程师们多多的注意，其实这是一…
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